Art Print
The Elementary Charge
Tax included.
Free UK delivery. Usually with you in 4–7 working days.
Buy 2 prints, save 10%. Buy 3 or more, save 15%. Applied automatically.
The charge of a single proton, now fixed exactly. Some units cannot be divided; build on...
Product details
The charge of a single proton, now fixed exactly. Some units cannot be divided; build on them.
Printed on demand on 200 gsm premium matte paper with a smooth, non-reflective finish. Supplied unframed.
Values from the BIPM SI Brochure (9th edition) and the IAU; digits of irrational numbers computed.
Size guide
| Size | Millimetres | Inches | Works well |
|---|---|---|---|
| A4 | 210 × 297 | 8.3 × 11.7 | A shelf, desk or small nook |
| A3 | 297 × 420 | 11.7 × 16.5 | A small wall, or hung in pairs |
| A2 | 420 × 594 | 16.5 × 23.4 | Above a desk or console |
| A1 | 594 × 841 | 23.4 × 33.1 | Above a sofa, bed or sideboard |
| A0 | 841 × 1189 | 33.1 × 46.8 | A statement wall |
Shipping
Every print is made to order and printed in your region, so there are no customs fees. Unframed prints are on 200 gsm premium matte paper; framed prints arrive assembled and ready to hang.
Usual delivery, including printing: UK 4–7 working days, free. United States 6–10 working days, free over $50. Canada 4–8 working days, free over CA$69. Exact options and dates are shown at checkout.
Returns
Damaged, faulty or not what you ordered? Tell us within 30 days of delivery, with a photo, and we'll send a free replacement or refund you in full. You won't need to send it back.
Changed your mind? UK customers can cancel within 14 days of receiving their order and return the print in its original condition for a refund of the item and standard delivery.